November 2007
Ecologist;Nov2007, Vol. 37 Issue 9, p10
The article reports on the observation of Professor Tim Flannery, a leading climate expert, that atmospheric concentrations of carbon dioxide have already passed a critical threshold. He told an Australian news channel that levels of carbon dioxide in mid-2005 had already reached 455 parts per million -- a level that it had not been expected to hit for a decade. He said that continued economic growth in both the industrialised and less-industrialised world had driven the accelerated emissions. More evidence of faster warming came from James Hansen, director of National Aeronautics & Space Administration's (NASA) Goddard Institute for Space Studies.


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